Antiviral Treated Mask Filter Inserts for DIY Masks by Matilda's Own Australia Post has strict limits on what we can send as a normal letter.  2 Packets is the maximum we can send without purchasing tracking.   I f you wish to purchase only 1 or 2 packets please use our "Postage Included" option found here and save up to $5.95 on postage This product is treated with HeiQ Viroblock, which uses advanced silver technology based on recycled silver and vesicle technology. Active ingredient: silver chloride Non-toxic, Non-sensitizing, Hypoallergenic; shown to be a Non-Irritant in dermatological tests with no measurable residue Each pack contains 3 x A4 sheets, measuring 210mm x 297mm for use with your own cotton outer. MADE IN AUSTRALIA   Each pack contains 3 x A4 Sheets for use with your own cotton outer Scroll Down for Videos and Links

Antiviral Treated Mask Filter Inserts For DIY Masks POST INCLUDED SEE VIDEO This is the cheapest way to purchase 1 or 2 packets (PLEASE NOTE, TRACKING WILL NOT BE INCLUDED). Australia Post has strict limits on what we can send as a normal letter.  2 Packets is the maximum we can send without purchasing tracking. For more than 2 packets your cheapest postage option is here Free Step-by-Step Instructions Improves Home-made made mask filtration by up to 88% Low Allergenic Easy to breath through Washable Scroll Down for Videos and Links

Super Cool Mask Liner (Grey) by Matilda's Own Colour: Grey  Size: 50cm x 50cm   Material: 100% Polyester The Super Cool Mask Liner is a smooth and comfortable fabric with cool touch technology New microfibre fabric with outstanding breathability that releases heat and keeps you cool and dry whilst being irresistibly comfortable. 

Super Cool Mask Liner (Neutral) by Matilda's Own Colour: Neutral  Size: 50cm x 50cm   Material: 100% Polyester The Super Cool Mask Liner is a smooth and comfortable fabric with cool touch technology New microfibre fabric with outstanding breathability that releases heat and keeps you cool and dry whilst being irresistibly comfortable. 

Super Cool Mask Liner (Mixed Colours) by Matilda's Own Colours, Black, Neutral and Grey each piece is 50cm x 25 cm  Material: 100% Polyester The Super Cool Mask Liner is a smooth and comfortable fabric with cool touch technology New microfibre fabric with outstanding breathability that releases heat and keeps you cool and dry whilst being irresistibly comfortable. 

Sports Mask Liner (Grey) by Matilda's Own Colours, Grey  50cm x 50cm  Special mesh material disperses moisture and wicks away sweat, keeping you dry and comfortable Added breathability with comfortable fabric

Sports Mask Liner (Grey) by Matilda's Own Colours, Grey  50cm x 50cm  Special mesh material disperses moisture and wicks away sweat, keeping you dry and comfortable Added breathability with comfortable fabric

Sports Mask Liner (Black) by Matilda's Own Colours, Black  50cm x 50cm  Special mesh material disperses moisture and wicks away sweat, keeping you dry and comfortable Added breathability with comfortable fabric

Sports Mask Liner (Mixed Colours) by Matilda's Own Colours, 1 x Black  50cm x 25cm and 1 x Grey 50cm x 25cm Special mesh material disperses moisture and wicks away sweat, keeping you dry and comfortable Added breathability with comfortable fabric